Pipe-sleeve holder



E. E. HALL.

FIFE SLEEVE HOLDER.

APPLICAHON FILED MAY 5.192.

Patented Nov. 7; 1922.

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V EEEG E. HALL, @Ie" CHJICAGO, ILLINOIS.

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Application illed'l'liiay 5, rear. serial Ito. severe.

To all whom it may concern..- v

Be it known that ll, ERIC E. HALL, a citi-' zen of the United States, and a resident of Chicago, in the county of Cook and Stateof Illinois, have invented certain new and useful Improvements in Pipe-Sleeve Holders, of which the following is a full, clear,

. marily for use to hold the sleeves, through which pipes are to be passed, in place on the form during the pouring of concrete floors, and is designed to produce a simple and eflicient device that can be cheaply manufac-. tured and which can be used for a wide variation in both the diameter and length of the sleeves. v v

To illustrate my invention, ll annex hereto a sheet of drawings in which the same reference characters are used to designate identical .parts in all the figures of whichlFi 1 is a central vertical section through the s eeve held in place on the-form by my apparatus;

Fig. 2 is a similar view of the sleeve after the concrete has been poured and set and the form and holder removed;

Fig. 3 is a top plan view of the apparatus seen in Fig. 1; and

Fi 4c is a vertical section on the'line 4-4 of Fig.1. 1

In the pouring of concrete floors, a suitable form a is employed, of which I have only indicated the cross section of the bot tom of a portion thereof. Upon this form at such places as it is expected to pass pipes throu h the floor when the building is complete are placed the sleeves I), which may vary widely in diameter for the difi'erent sized pipes they are used to accommodate, as well as in length for the difierent thicknesses of the floors c. To accommodate these variations, and for. use with the wooden forms illustrated, ll provide a metal bar (Z having numerous preferably regularly spaced holes e therethrough and having a rather long wood screw or formed on the ottom of the bar.

The part contacting with the sleeve preterabl takes the form of a sheet metal disk 9, w ich is preferably concave, as shown, and provided with the centrally located hub portion it which has a circular aperture 9' therein of a diameter slightly greater than either rigidly secured to the width of the bar 0?. Automatically to hold thls disk centered in the top of the sleeve, 1- preferably provide plural series of lugs is arranged radially on'the under surface thereof, and which may be placed therein when the disk is formed in a drawing press; I

The operation of the apparatus isas follows: Whenthe location of the sleeve b has been determined, the bar d is placed with the wood .screw at the center of the location,

and it. is turned enough so that the wood screw enters the form a far enough to hold the bar d upri ht. The sleeveb is then'put in place, and t e disk 9 is dropped over the bar until it rests on the top of the sleeve, after which some suitable. holding means, such as the cotter pin Z is thrust through the hole e directly above the aperture j. The bar (1 is now turned, preferably by insetting some convenient member, such as the wire nail m shown, through one of the holes e until the penetration of the wood screw brings the cotter pin Z down tightly on the top ofthe hub h, when it will be apparent that the sleeve is rigidly secured in place.

' The length of the bar d with the holes e extending throughout its length takes care of any variation in the length of the sleeves, and the excess diameter of the preferably tapered disk "91 takes care ofthe variation in the diameters of the sleeves, as indicated in dotted lines in Fig. 1. It will be understood of course that I might use some skeleton construction instead of the disk but I prefer to use the disk as it covers the top of the sleeve and preventsany concrete getting on the inside thereof and obviates the necessity of dislodging it after it has hardened.

While l have shown and described my in vention as embodied in the form which it at present consider best adapted to carry out its pur oses, it will be understood that it is capab e of modifications, and that l do not desire to be limited in the interpretation of the following claims except as may be necessitated by the state of the prior art.

What I claim as new, and desire to secure by Letters Patent of the United States, is:

1. In a sleeve holder for use on forms, the combination with a central member adapted to extend through the sleeve and provlded with means to secure it temporarily to a form, of a sleeve engaging member adjustable verticall thereon so as to engage the top of the eeve irrespective of its exact insane act length and hold "its bottom in contact with the form, and means for securing it in any desired adjustment.

2. In a sleeve holder for use on forms, the combinationwith a ,central member ada ted to extend through the sleeve and provided with means to secure it temporarily to a form, of a sleeve engaging member adjustable vertically thereon and shaped so that it will automatically center itself on the top of sleeves of different diameters as it 1s forced down on them, and means for secur-. V ing it in any desired ad ustment.

3. In a sleeve-holder oruse on forms, the

combination with a central member .ada ted to extend through a sleeve with which. it is employed and provided at its lower end with means to secure it temporaril to a form,

of a sleeve engaging member a justable vertically on the upper portion thereof and closing the top of the sleeve to which it is applied, and means for securing it many a desired adjustment.

4:. In a sleeve holder for use on forms, the combination with a central member'adapted to extend through-the sleeve and provided with means to secure it temporarily to a form, of asleeve engagin member adjust able verticall thereon an consisting of a disk. having its under face of the general shape of an inverted cone, and means for securing said disk in any desired adjustment. j 5. In a sleeve holder for use 'on-forms, the combination with a central member adaptedto extend throughthe sleeve and with means to secure it temporarily to a form, of a sleeve engaging member adjustable vertically thereon and consisting of adisk having a plurality of radially extending series of projections on its under sidefor the purpose described andmeans for securing said disk in any esired adjustment. 6. Inasleeve holder for use on forms, the, combination with a central'member adapted 'cated. a erture in .a hub portion throu h y provided eaaeea to extend throughthe sleeve and rovided with means "to secure it temporarily tea form,- of a sleeve engaging member adjusts thereon,- having means for able verticall v engaging and automatlcally centering the tops of sleeves of difierent diameters, and means carried by the central member for holding the sleeve engaging member in engagement with the top o the sleeves to which the sleeve holder is ap lied.

-. 7. In a pipe-sleeve older, the combina-,

tion with a bar having a wood screw on its lower end, of a disk through which the bar passes ad ustable verticallthereon to en gage and close the topsof s eeves of difierent diameters, and means carried by the barfor. holding the disk in engagement with the top of the sleeves.

8. In a pipe-sleeve holder the combination with a bar having holes therethrough at frequent intervals and a wood screw on its lower end, of adisk having a centrally located aperture through which the bar passes adjustable vertically thereon to engage and close thetops of sleeves of difierent diameters,- and a pin passed through one sleeves.

In witness whereof I have'hereunto set my hand and aflixed my. seal, this 30th day of April, A D. 1921.

.ERI'O E. IIALL. [n.s]

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